Gray nail medical refers to ringworm of the nail, treatment of ringworm of the nail with topical medication, as long as the treatment standardized use of the same can be rooted out of ringworm of the nail. Nail fungus, according to the different parts are divided into finger nail fungus and toe nail fungus, in the treatment of the main choice of antifungal drug treatment, and as long as the adherence to the use of drugs and standardized use of medication, finger nail fungus (toenail fungus) can be cured. Clinical more commonly used for the treatment of gray nails of the drug are amorphophallus powder, amorphophallus cream. The main ingredient of these two drugs is amorolfine, which is a derivative of morpholine and a new broad-spectrum antifungal drug, and needs to be used continuously for more than 6 months for the treatment of finger nail fungus, and about 9 months for the treatment of toenail fungus. Standardized treatment and strict attention to hygiene is the key to curing gray nails. It is recommended that patients consult a doctor in time and use it under the guidance of the doctor.